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228582070 = 25140916223
BaseRepresentation
bin11011001111111…
…10001010110110
3120221010011122121
431213332022312
5432004111240
634403150154
75443626013
oct1547761266
9527104577
10228582070
11108035102
126467535a
1338483a82
142250270a
151510304a
hexd9fe2b6

228582070 has 16 divisors (see below), whose sum is σ = 411765120. Its totient is φ = 91362304.

The previous prime is 228582061. The next prime is 228582077. The reversal of 228582070 is 70285822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228582077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5979 + ... + 22201.

It is an arithmetic number, because the mean of its divisors is an integer number (25735320).

Almost surely, 2228582070 is an apocalyptic number.

228582070 is a deficient number, since it is larger than the sum of its proper divisors (183183050).

228582070 is a wasteful number, since it uses less digits than its factorization.

228582070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17639.

The product of its (nonzero) digits is 17920, while the sum is 34.

The square root of 228582070 is about 15118.9308484430. The cubic root of 228582070 is about 611.4309058146.

The spelling of 228582070 in words is "two hundred twenty-eight million, five hundred eighty-two thousand, seventy".

Divisors: 1 2 5 10 1409 2818 7045 14090 16223 32446 81115 162230 22858207 45716414 114291035 228582070